go to ORKG: http://orkg.org/orkg/predicate/P123020
reduction of runoff volume
Reduction of total runoff volume achieved by some design or measure applied in order to reduce peak runoff and runoff volume in rainfall-runoff process. Those design or measures may include any hydraulic structure or practice (drainage, sewer, low impact development practices, etc.) applied to lower the flood risk. Reduction is usually expressed as percentage